forked from Minki/linux
b951b51e2c
Add helper sof_dai_ssp_mclk to get the topology configured MCLK from a pcm_runtime, return 0 if it is not available, and error if the dai type is not SSP at the moment. Export the helper for external use, e.g. from machine drivers. Signed-off-by: Keyon Jie <yang.jie@linux.intel.com> Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com> Reviewed-by: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Link: https://lore.kernel.org/r/20210319124950.3853994-1-kai.vehmanen@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
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/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* Copyright(c) 2018 Intel Corporation. All rights reserved.
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*
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* Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
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*/
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#ifndef __INCLUDE_SOUND_SOF_H
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#define __INCLUDE_SOUND_SOF_H
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#include <linux/pci.h>
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#include <sound/soc.h>
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#include <sound/soc-acpi.h>
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struct snd_sof_dsp_ops;
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/*
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* SOF Platform data.
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*/
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struct snd_sof_pdata {
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const struct firmware *fw;
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const char *name;
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const char *platform;
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struct device *dev;
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/* indicate how many first bytes shouldn't be loaded into DSP memory. */
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size_t fw_offset;
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/*
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* notification callback used if the hardware initialization
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* can take time or is handled in a workqueue. This callback
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* can be used by the caller to e.g. enable runtime_pm
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* or limit functionality until all low-level inits are
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* complete.
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*/
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void (*sof_probe_complete)(struct device *dev);
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/* descriptor */
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const struct sof_dev_desc *desc;
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/* firmware and topology filenames */
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const char *fw_filename_prefix;
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const char *fw_filename;
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const char *tplg_filename_prefix;
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const char *tplg_filename;
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/* machine */
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struct platform_device *pdev_mach;
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const struct snd_soc_acpi_mach *machine;
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void *hw_pdata;
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};
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/*
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* Descriptor used for setting up SOF platform data. This is used when
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* ACPI/PCI data is missing or mapped differently.
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*/
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struct sof_dev_desc {
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/* list of machines using this configuration */
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struct snd_soc_acpi_mach *machines;
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/* alternate list of machines using this configuration */
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struct snd_soc_acpi_mach *alt_machines;
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bool use_acpi_target_states;
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/* Platform resource indexes in BAR / ACPI resources. */
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/* Must set to -1 if not used - add new items to end */
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int resindex_lpe_base;
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int resindex_pcicfg_base;
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int resindex_imr_base;
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int irqindex_host_ipc;
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int resindex_dma_base;
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/* DMA only valid when resindex_dma_base != -1*/
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int dma_engine;
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int dma_size;
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/* IPC timeouts in ms */
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int ipc_timeout;
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int boot_timeout;
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/* chip information for dsp */
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const void *chip_info;
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/* defaults for no codec mode */
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const char *nocodec_tplg_filename;
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/* defaults paths for firmware and topology files */
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const char *default_fw_path;
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const char *default_tplg_path;
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/* default firmware name */
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const char *default_fw_filename;
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const struct snd_sof_dsp_ops *ops;
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};
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int sof_nocodec_setup(struct device *dev, const struct snd_sof_dsp_ops *ops,
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int (*pcm_dai_link_fixup)(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_hw_params *params));
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int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
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#endif
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